migrateSonnet45ToSonnet46.ts

migrations/migrateSonnet45ToSonnet46.ts

No strong subsystem tag

Lines

2055

Bytes

Exports

Imports

Keywords

What this is

This page documents one file from the repository and includes its full source so you can read it without leaving the docs site.

Beginner explanation

This file is one piece of the larger system. Its name, directory, imports, and exports show where it fits. Start by reading the exports and related files first.

How it is used

Start from the exports list and related files. Those are the easiest clues for where this file fits into the system.

Expert explanation

Architecturally, this file intersects with general runtime concerns. It contains 68 lines, 5 detected imports, and 1 detected exports.

Important relationships

Detected exports

migrateSonnet45ToSonnet46

Keywords

modelsonnetutilsusersettingsconfigusersexplicithas1manalyticsmetadata_i_verified_this_is_not_code_or_filepathslogevent

Detected imports

../services/analytics/index.js
../utils/auth.js
../utils/config.js
../utils/model/providers.js
../utils/settings/settings.js

Source notes

This page embeds the full file contents. Small or leaf files are still indexed honestly instead of being over-explained.

Open parent directory

Full source

import {
  type AnalyticsMetadata_I_VERIFIED_THIS_IS_NOT_CODE_OR_FILEPATHS,
  logEvent,
} from '../services/analytics/index.js'
import {
  isMaxSubscriber,
  isProSubscriber,
  isTeamPremiumSubscriber,
} from '../utils/auth.js'
import { getGlobalConfig, saveGlobalConfig } from '../utils/config.js'
import { getAPIProvider } from '../utils/model/providers.js'
import {
  getSettingsForSource,
  updateSettingsForSource,
} from '../utils/settings/settings.js'

/**
 * Migrate Pro/Max/Team Premium first-party users off explicit Sonnet 4.5
 * model strings to the 'sonnet' alias (which now resolves to Sonnet 4.6).
 *
 * Users may have been pinned to explicit Sonnet 4.5 strings by:
 * - The earlier migrateSonnet1mToSonnet45 migration (sonnet[1m] → explicit 4.5[1m])
 * - Manually selecting it via /model
 *
 * Reads userSettings specifically (not merged) so we only migrate what /model
 * wrote — project/local pins are left alone.
 * Idempotent: only writes if userSettings.model matches a Sonnet 4.5 string.
 */
export function migrateSonnet45ToSonnet46(): void {
  if (getAPIProvider() !== 'firstParty') {
    return
  }

  if (!isProSubscriber() && !isMaxSubscriber() && !isTeamPremiumSubscriber()) {
    return
  }

  const model = getSettingsForSource('userSettings')?.model
  if (
    model !== 'claude-sonnet-4-5-20250929' &&
    model !== 'claude-sonnet-4-5-20250929[1m]' &&
    model !== 'sonnet-4-5-20250929' &&
    model !== 'sonnet-4-5-20250929[1m]'
  ) {
    return
  }

  const has1m = model.endsWith('[1m]')
  updateSettingsForSource('userSettings', {
    model: has1m ? 'sonnet[1m]' : 'sonnet',
  })

  // Skip notification for brand-new users — they never experienced the old default
  const config = getGlobalConfig()
  if (config.numStartups > 1) {
    saveGlobalConfig(current => ({
      ...current,
      sonnet45To46MigrationTimestamp: Date.now(),
    }))
  }

  logEvent('tengu_sonnet45_to_46_migration', {
    from_model:
      model as AnalyticsMetadata_I_VERIFIED_THIS_IS_NOT_CODE_OR_FILEPATHS,
    has_1m: has1m,
  })
}